EP2070865B1 - Distributeur rotatif doté d'une détection des fuites - Google Patents

Distributeur rotatif doté d'une détection des fuites Download PDF

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Publication number
EP2070865B1
EP2070865B1 EP08171029.5A EP08171029A EP2070865B1 EP 2070865 B1 EP2070865 B1 EP 2070865B1 EP 08171029 A EP08171029 A EP 08171029A EP 2070865 B1 EP2070865 B1 EP 2070865B1
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EP
European Patent Office
Prior art keywords
rotary distributor
sealing
medium
transport line
housing
Prior art date
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EP08171029.5A
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German (de)
English (en)
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EP2070865A1 (fr
Inventor
Berthold Burgmeier
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Krones AG
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Krones AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/007—Applications of control, warning or safety devices in filling machinery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details

Definitions

  • the present invention relates to a rotary distributor according to the preamble of claim 1 and a method according to the preamble of claim 15 and as shown in FIG DE 296 20 323 U known.
  • a rotary distributor according to the preamble of claim 1 and a method according to the preamble of claim 15 and as shown in FIG DE 296 20 323 U known.
  • gaseous substances such as hydrogen peroxide gas, sterile air or hot air before they are filled with the actual medium, such as the beverage.
  • the conduit through which the beverage is filled is arranged stationary and the container, in which the beverage is filled, in contrast, rotates.
  • the container, in which the beverage is filled in contrast, rotates.
  • partially a barrier medium or a sealing medium is used, which flows between the stationary and the rotating parts of the arrangement and which causes a seal of the stationary area and also prevents foreign substances from getting into the containers to be filled.
  • Such sealing devices which are, for example, mechanical seals, work satisfactorily in the prior art. However, due to different effects, this seal may fail. If such a failure, is not detected in time, can be contaminated in the sequence, the medium to be filled.
  • WO 2008/019831 A1 which is state of the art according to Art. 54 (3) EPC, describes a sealing arrangement for a pivot bearing device, in which the physical property is the pressure or the level of a liquid sealing medium by means of control and monitoring. This disclosure is excluded in the claims by disclaimer.
  • EP 2 030 941 A1 which is state of the art according to Art. 54 (3) EPC, describes a sealing arrangement for a pivot bearing device in which the temperature of a sealing medium is detected by means of a control and monitoring as a physical property. This disclosure is excluded in the claims by disclaimer.
  • the present invention is therefore an object of the invention to provide a rotary distributor, which is improved in its operational reliability over the prior art. More specifically, a rotary distributor is to be provided which detects failures of the sealing device.
  • An inventive rotary distributor has a transport line for conveying a medium, and a housing, wherein the housing at least partially surrounds the transport line and wherein the transport line is rotatably arranged relative to the housing. Furthermore, a sealing device is provided, which seals the transport line in particular with respect to the environment, wherein the sealing device a Channel, within which a sealing medium can flow.
  • the rotary distributor has at least one first sensor device which detects a physical property with the exception of pressure, temperature and level of the sealing medium and which outputs a measuring signal which characterizes this physical property.
  • a beverage is conveyed via the transport line and introduced, for example, into a rotating container.
  • the transport line is stationary and the container turns towards her.
  • the sealing device prevents unwanted media can additionally penetrate into the container.
  • the sealing device prevents unwanted leakage of the beverage. Under the sealing device not only sealing elements in the narrower sense understood, such as mechanical seals, but the entirety of the elements that reach or promote this sealing effect, such as the channel.
  • the channel is preferably a channel located between the rotatable and non-rotatable parts. This channel preferably completely surrounds the transport line.
  • the sealing medium is a gaseous medium, preferably a sterile medium, and more preferably a sterile gas.
  • a non-sterile gas it would also be possible to use a non-sterile gas as a sealing medium.
  • the sensor device detects, as stated, at least one physical property of the sealing medium and can determine on the basis of this measurement whether, for example, a proportion of the sealing medium has been lost, or whether a Liquid from the transport line unintentionally entered the sealing medium.
  • the sealing medium and the guided in the transport line medium are completely separate from each other and preferably are different media.
  • the physical property is a density of the sealing medium. If, for example, liquid from the transport line enters the channel, this will be reflected in the density of the sealing medium. In this case, appropriate countermeasures can be taken.
  • the sensor device is located downstream of an outlet of the sealing medium from the channel. Downstream is understood to mean a flow direction with respect to the sealing medium.
  • a sensor device for example, immediately after the outlet of the seal.
  • the sensor device is arranged after the channel or rear space here.
  • a sensor device in front of the channel and a sensor device after the channel is also possible.
  • the rotary distributor has at least one sealing element, which seals the transport line relative to the housing, or which seals the rotating parts of the rotary distributor with respect to the stationary parts.
  • This sealing element is particularly preferably a mechanical seal, which this sealing effect during the rotational movement of the housing maintains against the transport line.
  • a plurality of such sealing elements particularly preferably provided in the form of mechanical seals.
  • At least one sensor device is selected from a group of sensor devices which has inductively operating sensor devices, bending vibration sensor devices and the like.
  • a so-called Bender vibration sensor device has proven particularly suitable.
  • a bending oscillator is caused to vibrate by means of a piezoelectric element.
  • the oscillation frequency of this bending oscillator is directly related to the density of the introduced sample. The higher the density, the lower the frequency of this bending oscillator will be. From this context, the density of the sample is determined directly via the measured frequency of the bending oscillator.
  • the sealing device has a second sensor device.
  • the sensor devices are particularly preferably arranged at the entrance and exit of the channel.
  • a comparison device which compares the measurement signals of the two sensor devices with one another. From this comparison, as mentioned above, leaks within the sealing device can be inferred.
  • the device has at least two sensor devices of different types.
  • a sensor device for determining a density may be present, as well as a sensor device for determining a flow rate.
  • the present invention is further directed to a method for operating a rotary distributor, wherein a medium is transported by means of a transport line, and a housing is disposed at least partially around this transport line, wherein the housing rotates relative to the transport line and wherein a sealing device, the transport line seals against the housing and this sealing means comprises a channel within which a sealing medium flows.
  • a first sensor device by means of a first sensor device a physical property with the exception of pressure, temperature and level of the sealing medium is detected and a measuring signal is output which is characteristic of this physical property.
  • Fig. 1a shows a first view of a rotary distributor 1.
  • This rotary distributor 1 has a transport line 2, through which a medium, such as a drink, can be passed.
  • the reference numeral 22 refers to a flange with which this transport line 2 can be flanged to a pipe.
  • the reference numeral 4 refers in its entirety to a housing which is arranged around the transport line 2 around. In this case, the transport line 2 is usually arranged standing in operation and the housing 4, in contrast, rotating.
  • Reference numeral 23 denotes an opening for supplying another medium, such as a cleaning liquid.
  • the reference numeral 36 denotes a Opening for discharging a medium, such as the cleaning liquid.
  • Fig. 1b shows another view of the in Fig. 1a It can be seen here that below the openings 36, a further series of openings 38 is provided. These openings 38 are also outlet openings for a medium, such as a liquid for CIP cleaning.
  • Fig. 2 shows a plan view of the rotary distributor to illustrate in the Fig. 3-5 shown sections AA, BB and CC.
  • Fig. 3 shows a section of the in Fig. 2 shown rotary distributor along the lines BB. It can be seen here, the transport line 2 and the rotatable about this transport line 2 arranged housing 4. Above the rotary distributor 1, a ring bowl (not shown) is also arranged to rotate.
  • a plurality of ball bearings 19, 20 are present.
  • a plurality of mechanical seals 16, 17 and 18 is provided.
  • the seal means In order to improve the sealing, the seal means, denoted overall by 10, has, in addition to the mechanical seals 16-18, a channel 12 through which a sealing medium can flow.
  • This channel is 12, as in Fig. 3 arranged so that the sealing medium, the ball bearing 19 and the mechanical seals 16 - 18 Maschinen- Maschinen- or flows around.
  • Reference numerals 13 and 15 refer to two outlets for the sealing medium. To these outlets 13, 15 of the channel 12, which can be referred to as a back space, connect controllable valves 51 and sensor devices 14 and 14a and 24 and 24a.
  • the sensor devices 14 and 14a and 24 and 24a can be provided alternatively or jointly.
  • the reference numeral 11 denotes a collar screw for attaching leads (not shown).
  • the reference numerals 26, 27 and 28 respectively refer to O-rings for sealing separate housing parts.
  • the reference numeral 25 shows a retaining ring for the bearing 19th
  • Fig. 3 also transport routes 55 and 56 for the cleaning medium and a CIP medium shown.
  • the reference numeral 5 shows a supply line for the sealing medium, which is then introduced into the rear space or the channel 12.
  • Fig. 4 shows a section of the rotary distributor Fig. 2 along the line AA.
  • the reference numeral 48 refers to an upper part of the housing and the reference numeral 49 to a housing cover, said housing cover 49 is screwed by means of hexagonal screws 31 to the upper part of housing 48.
  • the reference numeral 33 refers to a suspension device.
  • the reference numeral 47 denotes another portion of the distributor housing having the above-mentioned openings 36.
  • an intermediate ring 45 of the housing is connected to a further part 46 of the distributor housing, which has the openings 38.
  • the reference numeral 43 denotes a lower part of the housing 4 and the reference numeral 44 a Lagerklemmflansch for its attachment. With hexagon screws 30 of this Lagererklemmflansch is attached to the lower portion 43 of the housing 4. A bearing clamping ring 42 locks the bearing 20.
  • Fig. 5 shows a view of the rotary distributor along the line CC Fig. 2 ,
  • the supply line 5 can be recognized, via which the sealing medium is supplied to the rear space or channel 12 by means of a line 7.
  • a sensor device 64, 64a more precisely a flow rate measuring device 64 and / or a density measuring device 64a, can be provided at the inlet of this connection.
  • the rotary distributor according to the invention is suitable both for applications in the field of aseptic and for standard applications, that is, applications in which no sterile gas must be used.
  • the pressure of the product P p is higher than the atmospheric pressure P at . Furthermore, the pressure P 1 is higher than the pressure of the product P p .
  • a sterile medium from the back space 12 can pass through a leakage opening in the product, since the pressure P 1 is greater than the pressure P p of the product.
  • This case can be detected, in which both at the inlet 5 of the back space, a flow rate sensor 64 is arranged as well as to the (in Fig. 3 shown) drains a flow meter 14 and 24 is provided. If these flow rate sensors 14, 24 and 64 detect different flow rates, it can be concluded that there is a leak.
  • the pressure P 1 in the back space 12 is higher than the atmospheric pressure P at and further the pressure of the product P p in the transport line 2 is higher than the pressure P 1 in the back space 12
  • the product in the event of a leak, the product is pressed into the (sterile) rear space 12 and arrives in this way to the processes 13 and 15.
  • the product forms in this case a so-called liquid bridge, which is to be regarded as critical.
  • This ingress of product into the back space 12 can be detected by density sensors 24a, 14a, since the sterile gas at the entrance is not yet contaminated by the product and therefore has a different density than the gas at the exits 13 and 15. This can also be done this condition can be reliably recognized by the arrangements according to the invention. It would also be possible here to provide both density sensors and flow rate sensors.
  • a third case of aseptic is as a product, which is guided in the transport line 2, also Sterile gas used.
  • This may for example be a superposition gas, which is conveyed into a container.
  • the case may occur that the pressure P 1 of the back space is greater than the atmospheric pressure P at and the pressure of the product P p in turn greater than the pressure P 1 of the back space 12.
  • this case would in principle be with the second case described above comparable in which the penetration of product into the back space is recognizable by a density difference.
  • a density difference can not be readily measured since the product itself is also a sterile gas. Therefore, this case can also be detected by a flow rate difference, as in the first case described above, since there will be more gas at the exit than at the entrance.
  • the pressure of the medium in the back space 12 is equal to the atmospheric pressure P at , so that there may generally be two cases, on the one hand the case that the pressure P p of the product is less than the atmospheric pressure P at and on the other hand that the pressure of the product P p is greater than the atmospheric pressure.
  • the case that the pressure P p of the product is less than the atmospheric pressure P at can basically only occur in the event of an evacuation, for example in the form of a vacuum trace when beer filling. However, this case is not critical because it can be detected by a collapse of the vacuum.
  • the pressure of the product is higher than the atmospheric pressure.
  • product enters the back space 12.
  • the above-mentioned second case can be used, in which the entry of product into a back space 12 is detected by means of a density difference.
  • the error case can be detected by a flow difference, as also described above (third case).

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  • Examining Or Testing Airtightness (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Claims (15)

  1. Distributeur rotatif (1) pourvu d'une conduite de transport (2) destinée à transporter un milieu, comprenant un boîtier (4), le boîtier (4) entourant la conduite de transport (2) au moins en sections et le boîtier (4) étant monté en rotation par rapport à la conduite de transport (2), et d'un dispositif d'étanchéité (10) destiné à étanchéifier la conduite de transport (2), le dispositif d'étanchéité (10) comportant un canal (12) à l'intérieur duquel un milieu d'étanchéité peut circuler,
    caractérisé en ce que
    le distributeur rotatif (1) comprend au moins un premier dispositif de détection (14, 14a, 24, 24a, 64, 64a), lequel détecte au moins une propriété physique du milieu d'étanchéité à l'exception d'une pression, d'une température ou d'un niveau, et lequel délivre un signal de mesure qui est caractéristique de cette propriété physique.
  2. Distributeur rotatif (2) selon la revendication 1,
    caractérisé en ce que
    la propriété physique est une densité du milieu d'étanchéité ou un débit du milieu d'étanchéité.
  3. Distributeur rotatif (1) selon au moins l'une des revendications précédentes,
    caractérisé en ce que
    le milieu d'étanchéité est un milieu gazeux.
  4. Distributeur rotatif (1) selon au moins l'une des revendications 1 à 2,
    caractérisé en ce que
    le milieu d'étanchéité est un milieu liquide.
  5. Distributeur rotatif (1) selon la revendication 3 ou 4,
    caractérisé en ce que
    le milieu est stérile.
  6. Distributeur rotatif (1) selon au moins l'une des revendications précédentes 1 à 3,
    caractérisé en ce que
    le milieu d'étanchéité est un gaz stérile.
  7. Distributeur rotatif (1) selon au moins l'une des revendications précédentes,
    caractérisé en ce que
    le distributeur rotatif comprend au moins un élément d'étanchéité (16, 17, 18), lequel étanchéifie la conduite de transport (2) par rapport au boîtier (4).
  8. Distributeur rotatif (1) selon au moins l'une des revendications précédentes,
    caractérisé en ce que
    le dispositif de détection (14) est disposé en aval par rapport à une sortie (13, 15) du milieu d'étanchéité provenant du canal (12).
  9. Distributeur rotatif (1) selon au moins l'une des revendications précédentes,
    caractérisé en ce que
    le distributeur rotatif (1) comprend un deuxième dispositif de détection (24).
  10. Distributeur rotatif (1) selon la revendication 9,
    caractérisé en ce que
    les deux dispositifs de détection (14, 24) sont disposés aux sorties (13, 15) du canal (12).
  11. Distributeur rotatif (1) selon au moins l'une des revendications précédentes,
    caractérisé en ce qu'
    au moins un dispositif de détection (14a, 24a, 64a) est sélectionné dans un groupe de dispositifs de détection, lequel comporte des dispositifs de détection fonctionnant par induction, des dispositifs de détection à résonateur de flexions et similaires.
  12. Distributeur rotatif (1) selon au moins l'une des revendications précédentes,
    caractérisé en ce que
    le distributeur rotatif (1) comprend un dispositif de commande, lequel commande un entraînement du distributeur rotatif (1) en réponse à un signal de mesure délivré par un dispositif de détection (14, 14a, 24, 24a, 64, 64a).
  13. Distributeur rotatif (1) selon au moins l'une des revendications précédentes 9 à 10,
    caractérisé en ce qu'
    un dispositif de comparaison est prévu qui compare les signaux de mesure des deux dispositifs de détection (14, 64).
  14. Distributeur rotatif (1) selon au moins l'une des revendications précédentes,
    caractérisé en ce que
    deux dispositifs de détection (14, 14a) sont prévus qui détectent les différentes propriétés du milieu d'étanchéité.
  15. Procédé permettant de faire fonctionner un distributeur rotatif (1), un milieu étant transporté à l'aide d'une conduite de transport (2) et un boîtier (4) étant disposé au moins en sections autour de cette conduite de transport (2), la conduite de transport (2) étant en rotation par rapport au boîtier (4) et un dispositif d'étanchéité (10) étanchéifiant la conduite de transport (2) par rapport au boîtier (4), et ce dispositif d'étanchéité (10) comprenant un canal (12) à l'intérieur duquel circule un milieu d'étanchéité ;
    caractérisé en ce qu'
    une propriété physique est détectée au moyen d'un premier dispositif de détection (14, 14a, 24, 24a, 64, 64a) à l'exception d'une pression, d'une température ou d'un niveau du milieu d'étanchéité (B) et un signal de mesure est délivré, lequel est caractéristique de cette propriété physique.
EP08171029.5A 2007-12-14 2008-12-09 Distributeur rotatif doté d'une détection des fuites Active EP2070865B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710060392 DE102007060392A1 (de) 2007-12-14 2007-12-14 Drehverteiler mit Leckageerkennung

Publications (2)

Publication Number Publication Date
EP2070865A1 EP2070865A1 (fr) 2009-06-17
EP2070865B1 true EP2070865B1 (fr) 2015-12-09

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DE (1) DE102007060392A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
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CN109790004A (zh) * 2016-09-30 2019-05-21 大日本印刷株式会社 无菌碳酸饮料填充系统及无菌碳酸饮料填充方法
DE102019219430A1 (de) * 2019-12-12 2021-06-17 Eagleburgmann Germany Gmbh & Co. Kg Gleitringdichtungsanordnung mit Leckagemessung

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ITPR20110033A1 (it) 2011-05-02 2012-11-03 Gea Procomac Spa Distributore rotante di fluido
CN102756814B (zh) * 2012-07-31 2014-03-12 广州达意隆包装机械股份有限公司 一种灌装机的中心分配器
DE102013110016A1 (de) 2013-09-12 2015-03-12 Khs Gmbh Drehdurchführung sowie Vorrichtung zur Behandlung und/oder zum Transport von Behältern mit einer solchen Drehdurchführung
EP3015416B1 (fr) * 2014-10-31 2016-12-28 Sidel Participations S.A.S. Collecteur destiné à une unité de remplissage pour remplir une pluralité d'articles avec un produit pouvant être versé
EP3040306A1 (fr) * 2014-12-29 2016-07-06 Sidel Participations, S.A.S. Collecteur destiné à un réservoir rotatif d'une unité de remplissage pour remplir une pluralité d'articles avec un produit pouvant être versé
WO2018187353A1 (fr) * 2017-04-03 2018-10-11 Abbott Laboratories Machines de remplissage rotatives
DE102017115915A1 (de) * 2017-07-14 2019-01-17 Krones Ag Vorrichtung zum Behandeln eines Behälters in einer Füllproduktabfüllanlage
EP3594172A1 (fr) * 2018-07-12 2020-01-15 Sidel Participations Ensemble collecteur pour machine de remplissage et procédé de remplissage d'un récipient avec un produit pouvant être versé
IT202100010772A1 (it) * 2021-04-28 2022-10-28 S A T S R L Organo per il convogliamento di un corrispondente fluido
WO2024110005A1 (fr) * 2022-11-21 2024-05-30 Sidel Participations Système de surveillance pour surveiller un raccord rotatif à chambres multiples d'une machine de remplissage rotative

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DE3426833A1 (de) 1984-07-20 1986-01-23 W.L. Gore & Co GmbH, 8011 Putzbrunn Lecksuchvorrichtung fuer saure und basische medien
US4557139A (en) 1984-07-31 1985-12-10 Loomis International Inc. Leak detection method and apparatus
DE19521018A1 (de) 1995-06-12 1996-12-19 Bernd Brandes Rohrleitungssystem, insbesondere für die Übertragung von Fernwärme
DE29620323U1 (de) 1996-11-22 1997-01-23 Krones Ag Hermann Kronseder Maschinenfabrik, 93073 Neutraubling Drehverteiler für rotierende Gefäßfüllmaschinen
WO2000000801A1 (fr) 1998-06-26 2000-01-06 Tryba Stephen A Capteurs de fuite de fluide
WO2000016058A1 (fr) 1998-09-11 2000-03-23 W.L. Gore & Associates Gmbh Ligne de detection electrique permettant de detecter des fuites
WO2002048603A1 (fr) 2000-12-06 2002-06-20 Framatome Anp Gmbh Dispositif pour identifier et localiser des fuites
WO2003002970A1 (fr) 2001-06-28 2003-01-09 Løgstør Rør A/S Systeme de detection de fuites pour pipelines de gaz
WO2004065283A1 (fr) 2003-01-17 2004-08-05 Sig Technology Ltd. Machine de traitement aseptique de contenants dans une usine d'embouteillage
EP1640698A2 (fr) 2004-09-27 2006-03-29 Idc, Llc Méthode et système pour détection de fuite avec un gaz de test des dispositifs électroniques
WO2006089629A1 (fr) 2005-02-22 2006-08-31 Areva Np Gmbh Conduite collectrice destinee au controle et a la localisation de fuites
EP1724507A2 (fr) 2005-05-20 2006-11-22 Ameron International Corporation Elément tubulaire à double paroi avec fonction de détection de fuites
WO2007014666A2 (fr) 2005-07-29 2007-02-08 Wilo Ag Bague d'etancheite glissante
DE102006007481B3 (de) 2006-02-17 2007-07-12 Khs Ag Anlage zum kaltaseptischen Abfüllen eines flüssigen Füllgutes in Flaschen oder dergleichen Behälter
WO2008019831A1 (fr) 2006-08-17 2008-02-21 Khs Ag Dispositif de joint destiné à un dispositif de palier rotatif
EP2030941A1 (fr) * 2007-09-01 2009-03-04 Krones AG Dispositif de répartition de milieux

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109790004A (zh) * 2016-09-30 2019-05-21 大日本印刷株式会社 无菌碳酸饮料填充系统及无菌碳酸饮料填充方法
CN109790004B (zh) * 2016-09-30 2021-06-29 大日本印刷株式会社 无菌碳酸饮料填充系统及无菌碳酸饮料填充方法
EP4273088A3 (fr) * 2016-09-30 2024-02-14 Dai Nippon Printing Co., Ltd. Système de remplissage aseptique de boisson gazeuse et procédé de remplissage aseptique de boisson gazeuse
DE102019219430A1 (de) * 2019-12-12 2021-06-17 Eagleburgmann Germany Gmbh & Co. Kg Gleitringdichtungsanordnung mit Leckagemessung

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